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Old Dec 24th, 07, 05:33 PM   #1 (permalink)
Join Date: Dec 2007
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Swapping V6 for V8

Hi i Have a 97 camaro with the 3800 v6 engine in it. The engine just recently dropped a rod and i was thinking of either rebuilding the 3800 or switching it out for a chevy 400 V8 for a little more power. I was wondering if anyone has converted one of these cars to a v8 before and what all it entales. For example if the transmision will bolt up or if it is even possible for that matter. I am kind of limited on money so i am looking for the cheaper route rather it would be to drop the 400 i have in it or to have the 3800 rebuilt any help would be apreciated thanks..
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Old Dec 24th, 07, 06:51 PM   #2 (permalink)
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Re: Swapping V6 for V8

Derek, if you are short on funds, you need to stay with the V6. Just think about it.....you will need a full exhaust built because you can't use the V6 stuff, then you will need to get the LT1 motor mounts and brackets, you will need to get another transmission because the V6 trans will not fit a sbc 400, not to mention a crossmember to fit the transmission you use.... then you will need a custom made driveshaft unless you get lucky and the factory one fits by chance, then you will need to take the fuel pump out of the tank and fab up a regular pickup tube.....you cant use 45ish psi on your carbed motor (aasuming you are going carbed).....well, you prolly could but you will need a good fuel pressure regulator.

On top of all of this, if you plan on driving it on the street, you will need it to pass inspection and that will require cats on the exhaust.

Hope this helps you out. I'm sure I missed a few things, but for the most part, thats what it will take.

1969 Camaro....LS1/T-56.............
In the early stages of Pro-Touring

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Old Dec 25th, 07, 07:11 PM   #3 (permalink)
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Re: Swapping V6 for V8

+1 I agree
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Old Jan 2nd, 08, 08:07 AM   #4 (permalink)
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Re: Swapping V6 for V8

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Old Jan 12th, 08, 06:34 AM   #5 (permalink)
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Re: Swapping V6 for V8

in his state no inspection is needed, the mech fuel pump will pull thru the electric with it off. if you are able go for it
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Old Jan 12th, 08, 01:26 PM   #6 (permalink)
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Re: Swapping V6 for V8

Not worth the effort IMHO. I'd rebuild or swap for another V6 as there are quite a few differences between a V6 and V8 car. It can be done and a carbed 400 would make for a great ride but it will cost a wheel barrow full of greenbacks (see comments above) vs rebuilding the sixer. It's not just a simple engine swap. Cheaper to rebuild the 6 and throw N2O at it if you feel the "need for speed".
67 Camaro: 454/TH400/4.10 12 bolt. Lots of options: PS/PDB/PW, tilt, tach, gauges and more. K-K + 797-Z...

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Old Jan 12th, 08, 01:29 PM   #7 (permalink)
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Re: Swapping V6 for V8

It'll probbably be cheaper to sell your car and buy another one with a V8 if that is what you're after.
68 Coupe, 350 w/ Edelbrock Performer RPM heads, cam, intake, 700R4, Dave's small body HEI
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Old Jan 15th, 08, 08:39 AM   #8 (permalink)
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Re: Swapping V6 for V8

Something else to think about. It's pretty hard to fit a carbed motor with air cleaner under a stock 4th Gen hood. You'll have to go with a cowl of some sort. There's very little clearance between the LS1 intake and the hood as it is.

I'd either look into a Gen 3/4 small block swap or do as previously stated. Sell your car and buy a V8 model. The swap is feasible, but much cheaper to buy one outright.
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